The OB 2cm Flak is a Norwegian military bunker located near Bergen, Norway. This coastal defense structure was part of Norway's Cold War-era military installations, built during a period of heightened tensions with the Soviet Union. The bunker's designation 'OB' likely refers to 'Objekt' (Norwegian for 'Object'), while '2cm Flak' indicates it was designed to house anti-aircraft artillery of 2cm caliber.
Norway's strategic location made it crucial to maintain robust coastal defenses during the Cold War period.